The number 270,000 in scientific notation is written as:

$2.7 \times 10^5$

This represents 2.7 multiplied by 10 raised to the power of 5, which equals 270,000.

Do you want details or have any questions?

Here are 5 relative questions to expand your understanding:

1. How is scientific notation useful in solving real-world problems?
2. How would you write 0.00034 in scientific notation?
3. Why is scientific notation important in fields like astronomy or chemistry?
4. How does scientific notation help when dealing with very large or very small numbers?
5. What is the relationship between the exponent in scientific notation and the number of zeros?

Tip: Scientific notation is especially useful when dealing with very large or very small numbers, as it simplifies both the calculation and the representation of such numbers.